Question

n/a

Answer 1

Given the word leak, calculate the number of permutations: i done like this 1x2x3x4 = 24 and for Calculate the number of 2-letter unordered combinations: i done 24/2 = 12. now i am stock to this question "By writing out all the permutations and all the 2-letter unordered
combinations, show that the two methods described above give the same result,
and that the number of results are consistent with the numbers you calculated
above:"???? NEED HELP!

Answer 2

Unordered combinations of 4 letters taken 2 by 2 i think would be 4!/2!2! = 6 not 12

Answer 3

oh ok thanks for that. what about for the first one calculate the word leak of permutations? is it correct

Answer 4

yes it is

Answer 5

Thanks for checking. i still dont get what he asked me to do in this question "By writing out all the permutations and all the 2-letter unordered
combinations, show that the two methods described above give the same result,
and that the number of results are consistent with the numbers you calculated
above"

Answer 6

They are asking you to right by hand all the possible permutation of the letters that you can find and then just check that the result is the same that you got using the formula...:)
Same for combinations.

Answer 7

oh ok. but how should i start writing by hand example please.

Answer 8

could it be like leak, le,el, ka, ka, ect?

Answer 9

leak:
1º leka
2º lkea
3ºklea
..........................

Answer 10

and so on and on

Answer 11

:)

Answer 12

thats for permutation right?

Answer 13

yes

Answer 14

what about for the unordered compinantion

Answer 15

combinations:
1º le
2º lk
3º la
4º ea
5º ek
6º ak

Answer 16

do you know that you have just saved my life. i been in this question for 4 hours and didnt get it, been searching on google and still didnt get it any help! you are great and thanks for the help

Answer 17

you welcome

Answer 18

i am fan of your now :)